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5-12 Machine Cannot Be Turned On

FLUX Support Team
  • Updated

Description

The reason the machine cannot be turned on can be complex. It could be caused by a system failure, faulty screen, USB-C cable, RK board, power source, mainboard, safety fuse, etc. 

Please follow the steps below to troubleshoot the issue.


Possible Causes

  1. The system fails (Re-update the firmware, reset to factory, or reflash the RK board)
  2. The USB-C cable is having a problem.
  3. The cables are not properly plugged.
  4. The touch screen itself is broken. 
  5. The RK board is down.
  6. The mainboard is down.
  7. The 12V PSU is down.

 

Tools

  1. 2.5mm Allen key (Optional)
  2. Phillips screwdriver (Optional)
  3. Flathead screwdriver (Optional)

 

Step 1

Check the emergency button if it is pressed and causing a booting issue.
(Make sure the button is NOT pressed.)

 

Determine your result and the next action to take:

  • The button is not pressed. >> Step 2
  • The button was pressed. The machine can be turned now. >> Problem Solved

 

 

Step 2

Switch your domestic power socket and see if the machine can be powered up.

 

Determine your result and the next action to take:

  • Yes, the machine can now be powered up. >> Problem Solved 
  • No, the machine cannot be powered up. >> Step 3

 

 

Step 3

Check if the rocker switch's light is on.

Rocker switch's light is ON Rocker switch's light is OFF

 

Determine your result and the next action to take:

 

Step 3.1

Replace the fuse and try turning on the machine again.
A spare fuse is hidden below the machine's power socket, and it can be taken out to replace the current one.


 

Determine your result and the next action to take:

  • Yes, the machine can now be turned on. >> Problem Solved

 

Step 4

Check if the round button switch's light is on.

Light is ON Light is OFF

 

Determine your result and the next action to take:

 

Step 5

Check the status of the 4 LED lights on the mainboard.

There are four orange LED lights on the mainboard that present different parts of the machine.

  • In order to find the lights, open the side cover to see the machine inside.




  • You will find the four lights. Please refer to the photos below. The lights indicate the status of different power sources. (3.3V, 5V, 12V, 24V)

 

 

Determine your result and the next action to take:

  • All lights remain on, and none of them is flickering >> Go to Step 6
  • One or more lights are off or flickering >> Contact customer support
  • Possible cause:
    1. The mainboard is dead and needs to be replaced.
    2. The 12V PSU is dead and needs to be replaced.
    3. The DC cable is damaged and needs to be replaced.

 

Step 6

Check if the screen's backlight is on.

The screen backlight is ON The screen backlight is OFF

 

Determine your result and the next action to take:

 

Step 6.1

  • Turn off the machine.
  • Replug the Type-C cable connected to the screen and mainboard.
    (Please ensure it is replugged back in the same direction.)
  • Power up the machine and check if the screen's backlight is on

 

Determine your result and the next action to take:

  • The backlight is on, and the machine can be turned on >> Problem Solved
  • The backlight is on, but the machine can't be turned on >> Step 7

 

Step 6.2

Replug the screen's cable on the RK board.

  • Unplug the Type-C cable and remove the four screws with a 2.5mm Allen key.



  • Unplug and replug the screen's cables.


  • Re-install the RK board back on the machine, reconnect the Type-C cable, and power up the machine to see if it can be turned on.

Determine your result and the next action to take:

  • The backlight is on, and the machine can be turned on >> Problem Solved
  • The backlight is on, but the machine can't be turned on >> Step 7

 

Step 6.3

Check if the blue light is on when the power is up.

 

Determine your result and the next action to take:

  • The blue light is on >> Contact Customer Service 
    • Possible Cause:
      1. The screen itself is faulty
      2. The USB-C cable is faulty (Less likely)
      3. The RK board is faulty (Less likely)
      4. The mainboard is faulty (Less likely)
  • The blue light is not on. >> Contact Customer Service 
    • Possible Cause:
      1. The USB-C cable is faulty
      2. The RK board is faulty
      3. The screen itself is faulty (Less likely)
      4. The mainboard is faulty (Less likely)

 

Step 7

Reflash the system and see if the machine can be turned on. Please refer to the link below.
Reflash the System / Reflash the RK board (Beambox 2)

*Note: This step requires a Windows laptop or computer and complex actions. If you are not confident with troubleshooting the issue, please skip this step and contact your local reseller directly.

 

Determine your result and the next action to take:

  • Yes, the machine can be turned on >> Problem solved
    • Possible Cause: The system failed
  • No, the machine cannot be turned on >> Contact Customer Service
  • Possible Cause:
    1. The RK board is faulty
    2. The screen itself is faulty
    3. The USB-C cable is faulty
  1.  

 

Contact Customer Service

  • Please follow the instructions in the link below to properly report an issue to your local reseller or FLUX support. [Contact Customer Service]

*The collected information, such as photos or videos showing your machine's problem in this article, will need to be shared with the reseller or FLUX Support.

 

 

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